APA (7th ed.) Citation

(1974). Sayre Stevens, "The SAM Upgrade Blues," Studies in Intelligence, Summer 1974, Secret.

Chicago Style (17th ed.) Citation

Sayre Stevens, "The SAM Upgrade Blues," Studies in Intelligence, Summer 1974, Secret. 1974.

MLA (8th ed.) Citation

Sayre Stevens, "The SAM Upgrade Blues," Studies in Intelligence, Summer 1974, Secret. 1974.

Warning: These citations may not always be 100% accurate.